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Finding the Third Proportional to 56,643,043.78 and 87,466,774.22

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Solution

The third proportional to 56,643,043.78 and 87,466,774.22 is: 135,064,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643,043.78 : 87,466,774.22 = 87,466,774.22 : x
  2. Step 2: Convert to fraction form
    56,643,043.78/87,466,774.22 = 87,466,774.22/x
  3. Step 3: Cross multiply
    56,643,043.78x = 87,466,774.22 × 87,466,774.22
  4. Step 4: Simplify right side
    56,643,043.78x = 7,650,436,592,233,790
  5. Step 5: Solve for x
    x = 7,650,436,592,233,790/56,643,043.78
  6. Step 6: Final answer
    x = 135,064,009.30

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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.