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Finding the Third Proportional to 68,996,317.50 and 147,565,957.50

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Solution

The third proportional to 68,996,317.50 and 147,565,957.50 is: 315,606,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,996,317.50 : 147,565,957.50 = 147,565,957.50 : x
  2. Step 2: Convert to fraction form
    68,996,317.50/147,565,957.50 = 147,565,957.50/x
  3. Step 3: Cross multiply
    68,996,317.50x = 147,565,957.50 × 147,565,957.50
  4. Step 4: Simplify right side
    68,996,317.50x = 21,775,711,812,891,808
  5. Step 5: Solve for x
    x = 21,775,711,812,891,808/68,996,317.50
  6. Step 6: Final answer
    x = 315,606,870.08

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.