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Finding the Third Proportional to 765,354 and 1,675,722

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Solution

The third proportional to 765,354 and 1,675,722 is: 3,668,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,354 : 1,675,722 = 1,675,722 : x
  2. Step 2: Convert to fraction form
    765,354/1,675,722 = 1,675,722/x
  3. Step 3: Cross multiply
    765,354x = 1,675,722 × 1,675,722
  4. Step 4: Simplify right side
    765,354x = 2,808,044,221,284
  5. Step 5: Solve for x
    x = 2,808,044,221,284/765,354
  6. Step 6: Final answer
    x = 3,668,948.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.