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Finding the Third Proportional to 147,386.25 and 315,802.13

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Solution

The third proportional to 147,386.25 and 315,802.13 is: 676,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,386.25 : 315,802.13 = 315,802.13 : x
  2. Step 2: Convert to fraction form
    147,386.25/315,802.13 = 315,802.13/x
  3. Step 3: Cross multiply
    147,386.25x = 315,802.13 × 315,802.13
  4. Step 4: Simplify right side
    147,386.25x = 99,730,982,154.52
  5. Step 5: Solve for x
    x = 99,730,982,154.52/147,386.25
  6. Step 6: Final answer
    x = 676,664.09

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.