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Finding the Third Proportional to 46,690,128 and 74,588,472

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Solution

The third proportional to 46,690,128 and 74,588,472 is: 119,156,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,690,128 : 74,588,472 = 74,588,472 : x
  2. Step 2: Convert to fraction form
    46,690,128/74,588,472 = 74,588,472/x
  3. Step 3: Cross multiply
    46,690,128x = 74,588,472 × 74,588,472
  4. Step 4: Simplify right side
    46,690,128x = 5,563,440,155,294,784
  5. Step 5: Solve for x
    x = 5,563,440,155,294,784/46,690,128
  6. Step 6: Final answer
    x = 119,156,669.59

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.