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Finding the Third Proportional to 131,258,340 and 286,134,984

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Solution

The third proportional to 131,258,340 and 286,134,984 is: 623,756,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,258,340 : 286,134,984 = 286,134,984 : x
  2. Step 2: Convert to fraction form
    131,258,340/286,134,984 = 286,134,984/x
  3. Step 3: Cross multiply
    131,258,340x = 286,134,984 × 286,134,984
  4. Step 4: Simplify right side
    131,258,340x = 81,873,229,068,680,256
  5. Step 5: Solve for x
    x = 81,873,229,068,680,256/131,258,340
  6. Step 6: Final answer
    x = 623,756,395.74

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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.