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Finding the Third Proportional to 563,886.50 and 1,239,931

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Solution

The third proportional to 563,886.50 and 1,239,931 is: 2,726,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,886.50 : 1,239,931 = 1,239,931 : x
  2. Step 2: Convert to fraction form
    563,886.50/1,239,931 = 1,239,931/x
  3. Step 3: Cross multiply
    563,886.50x = 1,239,931 × 1,239,931
  4. Step 4: Simplify right side
    563,886.50x = 1,537,428,884,761
  5. Step 5: Solve for x
    x = 1,537,428,884,761/563,886.50
  6. Step 6: Final answer
    x = 2,726,486.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.