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Finding the Third Proportional to 38,672,688 and 55,927,431

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Solution

The third proportional to 38,672,688 and 55,927,431 is: 80,880,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672,688 : 55,927,431 = 55,927,431 : x
  2. Step 2: Convert to fraction form
    38,672,688/55,927,431 = 55,927,431/x
  3. Step 3: Cross multiply
    38,672,688x = 55,927,431 × 55,927,431
  4. Step 4: Simplify right side
    38,672,688x = 3,127,877,538,259,761
  5. Step 5: Solve for x
    x = 3,127,877,538,259,761/38,672,688
  6. Step 6: Final answer
    x = 80,880,789.52

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.