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Finding the Third Proportional to 386,983,862 and 841,988,527

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Solution

The third proportional to 386,983,862 and 841,988,527 is: 1,831,974,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,983,862 : 841,988,527 = 841,988,527 : x
  2. Step 2: Convert to fraction form
    386,983,862/841,988,527 = 841,988,527/x
  3. Step 3: Cross multiply
    386,983,862x = 841,988,527 × 841,988,527
  4. Step 4: Simplify right side
    386,983,862x = 708,944,679,599,629,696
  5. Step 5: Solve for x
    x = 708,944,679,599,629,696/386,983,862
  6. Step 6: Final answer
    x = 1,831,974,790.72

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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.