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Finding the Third Proportional to 7,219,445,787 and 15,432,434,362.69

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Solution

The third proportional to 7,219,445,787 and 15,432,434,362.69 is: 32,988,686,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,445,787 : 15,432,434,362.69 = 15,432,434,362.69 : x
  2. Step 2: Convert to fraction form
    7,219,445,787/15,432,434,362.69 = 15,432,434,362.69/x
  3. Step 3: Cross multiply
    7,219,445,787x = 15,432,434,362.69 × 15,432,434,362.69
  4. Step 4: Simplify right side
    7,219,445,787x = 238,160,030,358,673,358,848
  5. Step 5: Solve for x
    x = 238,160,030,358,673,358,848/7,219,445,787
  6. Step 6: Final answer
    x = 32,988,686,027.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.