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Finding the Third Proportional to 119,258,726.63 and 257,665,691.25

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Solution

The third proportional to 119,258,726.63 and 257,665,691.25 is: 556,702,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,258,726.63 : 257,665,691.25 = 257,665,691.25 : x
  2. Step 2: Convert to fraction form
    119,258,726.63/257,665,691.25 = 257,665,691.25/x
  3. Step 3: Cross multiply
    119,258,726.63x = 257,665,691.25 × 257,665,691.25
  4. Step 4: Simplify right side
    119,258,726.63x = 66,391,608,447,340,328
  5. Step 5: Solve for x
    x = 66,391,608,447,340,328/119,258,726.63
  6. Step 6: Final answer
    x = 556,702,308.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.