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Finding the Third Proportional to 155,715.75 and 240,580.13

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Solution

The third proportional to 155,715.75 and 240,580.13 is: 371,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,715.75 : 240,580.13 = 240,580.13 : x
  2. Step 2: Convert to fraction form
    155,715.75/240,580.13 = 240,580.13/x
  3. Step 3: Cross multiply
    155,715.75x = 240,580.13 × 240,580.13
  4. Step 4: Simplify right side
    155,715.75x = 57,878,796,545.02
  5. Step 5: Solve for x
    x = 57,878,796,545.02/155,715.75
  6. Step 6: Final answer
    x = 371,695.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.