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Finding the Third Proportional to 186,871,465.13 and 408,913,707.38

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Solution

The third proportional to 186,871,465.13 and 408,913,707.38 is: 894,788,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,871,465.13 : 408,913,707.38 = 408,913,707.38 : x
  2. Step 2: Convert to fraction form
    186,871,465.13/408,913,707.38 = 408,913,707.38/x
  3. Step 3: Cross multiply
    186,871,465.13x = 408,913,707.38 × 408,913,707.38
  4. Step 4: Simplify right side
    186,871,465.13x = 167,210,420,079,167,136
  5. Step 5: Solve for x
    x = 167,210,420,079,167,136/186,871,465.13
  6. Step 6: Final answer
    x = 894,788,404.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.