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Finding the Third Proportional to 15,432,386 and 22,722,219

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Solution

The third proportional to 15,432,386 and 22,722,219 is: 33,455,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432,386 : 22,722,219 = 22,722,219 : x
  2. Step 2: Convert to fraction form
    15,432,386/22,722,219 = 22,722,219/x
  3. Step 3: Cross multiply
    15,432,386x = 22,722,219 × 22,722,219
  4. Step 4: Simplify right side
    15,432,386x = 516,299,236,283,961
  5. Step 5: Solve for x
    x = 516,299,236,283,961/15,432,386
  6. Step 6: Final answer
    x = 33,455,567.81

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.