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Finding the Third Proportional to 160,457 and 249,459

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Solution

The third proportional to 160,457 and 249,459 is: 387,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,457 : 249,459 = 249,459 : x
  2. Step 2: Convert to fraction form
    160,457/249,459 = 249,459/x
  3. Step 3: Cross multiply
    160,457x = 249,459 × 249,459
  4. Step 4: Simplify right side
    160,457x = 62,229,792,681
  5. Step 5: Solve for x
    x = 62,229,792,681/160,457
  6. Step 6: Final answer
    x = 387,828.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.