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Finding the Third Proportional to 137,776 and 297,584

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Solution

The third proportional to 137,776 and 297,584 is: 642,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,776 : 297,584 = 297,584 : x
  2. Step 2: Convert to fraction form
    137,776/297,584 = 297,584/x
  3. Step 3: Cross multiply
    137,776x = 297,584 × 297,584
  4. Step 4: Simplify right side
    137,776x = 88,556,237,056
  5. Step 5: Solve for x
    x = 88,556,237,056/137,776
  6. Step 6: Final answer
    x = 642,755.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.