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Finding the Third Proportional to 100,812,808.50 and 155,696,326.50

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Solution

The third proportional to 100,812,808.50 and 155,696,326.50 is: 240,458,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,812,808.50 : 155,696,326.50 = 155,696,326.50 : x
  2. Step 2: Convert to fraction form
    100,812,808.50/155,696,326.50 = 155,696,326.50/x
  3. Step 3: Cross multiply
    100,812,808.50x = 155,696,326.50 × 155,696,326.50
  4. Step 4: Simplify right side
    100,812,808.50x = 24,241,346,085,594,604
  5. Step 5: Solve for x
    x = 24,241,346,085,594,604/100,812,808.50
  6. Step 6: Final answer
    x = 240,458,989.75

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.