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Finding the Third Proportional to 768,361 and 1,127,629

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Solution

The third proportional to 768,361 and 1,127,629 is: 1,654,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,361 : 1,127,629 = 1,127,629 : x
  2. Step 2: Convert to fraction form
    768,361/1,127,629 = 1,127,629/x
  3. Step 3: Cross multiply
    768,361x = 1,127,629 × 1,127,629
  4. Step 4: Simplify right side
    768,361x = 1,271,547,161,641
  5. Step 5: Solve for x
    x = 1,271,547,161,641/768,361
  6. Step 6: Final answer
    x = 1,654,882.49

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.