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Finding the Third Proportional to 847,039.50 and 1,207,428

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Solution

The third proportional to 847,039.50 and 1,207,428 is: 1,721,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,039.50 : 1,207,428 = 1,207,428 : x
  2. Step 2: Convert to fraction form
    847,039.50/1,207,428 = 1,207,428/x
  3. Step 3: Cross multiply
    847,039.50x = 1,207,428 × 1,207,428
  4. Step 4: Simplify right side
    847,039.50x = 1,457,882,375,184
  5. Step 5: Solve for x
    x = 1,457,882,375,184/847,039.50
  6. Step 6: Final answer
    x = 1,721,150.40

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.