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Finding the Third Proportional to 140,574 and 306,106.13

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Solution

The third proportional to 140,574 and 306,106.13 is: 666,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,574 : 306,106.13 = 306,106.13 : x
  2. Step 2: Convert to fraction form
    140,574/306,106.13 = 306,106.13/x
  3. Step 3: Cross multiply
    140,574x = 306,106.13 × 306,106.13
  4. Step 4: Simplify right side
    140,574x = 93,700,959,762.52
  5. Step 5: Solve for x
    x = 93,700,959,762.52/140,574
  6. Step 6: Final answer
    x = 666,559.68

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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.