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Finding the Third Proportional to 187,172,724 and 403,940,070

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Solution

The third proportional to 187,172,724 and 403,940,070 is: 871,748,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,172,724 : 403,940,070 = 403,940,070 : x
  2. Step 2: Convert to fraction form
    187,172,724/403,940,070 = 403,940,070/x
  3. Step 3: Cross multiply
    187,172,724x = 403,940,070 × 403,940,070
  4. Step 4: Simplify right side
    187,172,724x = 163,167,580,151,604,896
  5. Step 5: Solve for x
    x = 163,167,580,151,604,896/187,172,724
  6. Step 6: Final answer
    x = 871,748,707.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.