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Finding the Third Proportional to 34,551,439 and 74,130,061

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Solution

The third proportional to 34,551,439 and 74,130,061 is: 159,045,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,551,439 : 74,130,061 = 74,130,061 : x
  2. Step 2: Convert to fraction form
    34,551,439/74,130,061 = 74,130,061/x
  3. Step 3: Cross multiply
    34,551,439x = 74,130,061 × 74,130,061
  4. Step 4: Simplify right side
    34,551,439x = 5,495,265,943,863,721
  5. Step 5: Solve for x
    x = 5,495,265,943,863,721/34,551,439
  6. Step 6: Final answer
    x = 159,045,935.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.