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Finding the Third Proportional to 163,280 and 249,754

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Solution

The third proportional to 163,280 and 249,754 is: 382,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,280 : 249,754 = 249,754 : x
  2. Step 2: Convert to fraction form
    163,280/249,754 = 249,754/x
  3. Step 3: Cross multiply
    163,280x = 249,754 × 249,754
  4. Step 4: Simplify right side
    163,280x = 62,377,060,516
  5. Step 5: Solve for x
    x = 62,377,060,516/163,280
  6. Step 6: Final answer
    x = 382,025.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.