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Finding the Third Proportional to 7,219,445,789 and 15,432,434,367

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Solution

The third proportional to 7,219,445,789 and 15,432,434,367 is: 32,988,686,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,445,789 : 15,432,434,367 = 15,432,434,367 : x
  2. Step 2: Convert to fraction form
    7,219,445,789/15,432,434,367 = 15,432,434,367/x
  3. Step 3: Cross multiply
    7,219,445,789x = 15,432,434,367 × 15,432,434,367
  4. Step 4: Simplify right side
    7,219,445,789x = 238,160,030,491,762,688,000
  5. Step 5: Solve for x
    x = 238,160,030,491,762,688,000/7,219,445,789
  6. Step 6: Final answer
    x = 32,988,686,036.63

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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.