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Finding the Third Proportional to 28,305,520 and 42,413,688

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Solution

The third proportional to 28,305,520 and 42,413,688 is: 63,553,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305,520 : 42,413,688 = 42,413,688 : x
  2. Step 2: Convert to fraction form
    28,305,520/42,413,688 = 42,413,688/x
  3. Step 3: Cross multiply
    28,305,520x = 42,413,688 × 42,413,688
  4. Step 4: Simplify right side
    28,305,520x = 1,798,920,929,761,344
  5. Step 5: Solve for x
    x = 1,798,920,929,761,344/28,305,520
  6. Step 6: Final answer
    x = 63,553,714.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.