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Finding the Third Proportional to 431,047.50 and 652,555.50

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Solution

The third proportional to 431,047.50 and 652,555.50 is: 987,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,047.50 : 652,555.50 = 652,555.50 : x
  2. Step 2: Convert to fraction form
    431,047.50/652,555.50 = 652,555.50/x
  3. Step 3: Cross multiply
    431,047.50x = 652,555.50 × 652,555.50
  4. Step 4: Simplify right side
    431,047.50x = 425,828,680,580.25
  5. Step 5: Solve for x
    x = 425,828,680,580.25/431,047.50
  6. Step 6: Final answer
    x = 987,892.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.