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Finding the Third Proportional to 19,389,564 and 29,487,240

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Solution

The third proportional to 19,389,564 and 29,487,240 is: 44,843,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389,564 : 29,487,240 = 29,487,240 : x
  2. Step 2: Convert to fraction form
    19,389,564/29,487,240 = 29,487,240/x
  3. Step 3: Cross multiply
    19,389,564x = 29,487,240 × 29,487,240
  4. Step 4: Simplify right side
    19,389,564x = 869,497,322,817,600
  5. Step 5: Solve for x
    x = 869,497,322,817,600/19,389,564
  6. Step 6: Final answer
    x = 44,843,572.70

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.