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Finding the Third Proportional to 813,314 and 1,258,203

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Solution

The third proportional to 813,314 and 1,258,203 is: 1,946,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,314 : 1,258,203 = 1,258,203 : x
  2. Step 2: Convert to fraction form
    813,314/1,258,203 = 1,258,203/x
  3. Step 3: Cross multiply
    813,314x = 1,258,203 × 1,258,203
  4. Step 4: Simplify right side
    813,314x = 1,583,074,789,209
  5. Step 5: Solve for x
    x = 1,583,074,789,209/813,314
  6. Step 6: Final answer
    x = 1,946,449.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.