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Finding the Third Proportional to 452,748 and 612,689

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Solution

The third proportional to 452,748 and 612,689 is: 829,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,748 : 612,689 = 612,689 : x
  2. Step 2: Convert to fraction form
    452,748/612,689 = 612,689/x
  3. Step 3: Cross multiply
    452,748x = 612,689 × 612,689
  4. Step 4: Simplify right side
    452,748x = 375,387,810,721
  5. Step 5: Solve for x
    x = 375,387,810,721/452,748
  6. Step 6: Final answer
    x = 829,131.90

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.