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Finding the Third Proportional to 39,884,136 and 86,756,382

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Solution

The third proportional to 39,884,136 and 86,756,382 is: 188,713,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,884,136 : 86,756,382 = 86,756,382 : x
  2. Step 2: Convert to fraction form
    39,884,136/86,756,382 = 86,756,382/x
  3. Step 3: Cross multiply
    39,884,136x = 86,756,382 × 86,756,382
  4. Step 4: Simplify right side
    39,884,136x = 7,526,669,817,729,924
  5. Step 5: Solve for x
    x = 7,526,669,817,729,924/39,884,136
  6. Step 6: Final answer
    x = 188,713,372.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.