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Finding the Third Proportional to 139,852.13 and 306,154.13

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Solution

The third proportional to 139,852.13 and 306,154.13 is: 670,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,852.13 : 306,154.13 = 306,154.13 : x
  2. Step 2: Convert to fraction form
    139,852.13/306,154.13 = 306,154.13/x
  3. Step 3: Cross multiply
    139,852.13x = 306,154.13 × 306,154.13
  4. Step 4: Simplify right side
    139,852.13x = 93,730,348,254.52
  5. Step 5: Solve for x
    x = 93,730,348,254.52/139,852.13
  6. Step 6: Final answer
    x = 670,210.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.