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Finding the Third Proportional to 188,811,528.75 and 291,602,254.50

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Solution

The third proportional to 188,811,528.75 and 291,602,254.50 is: 450,353,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,811,528.75 : 291,602,254.50 = 291,602,254.50 : x
  2. Step 2: Convert to fraction form
    188,811,528.75/291,602,254.50 = 291,602,254.50/x
  3. Step 3: Cross multiply
    188,811,528.75x = 291,602,254.50 × 291,602,254.50
  4. Step 4: Simplify right side
    188,811,528.75x = 85,031,874,829,482,768
  5. Step 5: Solve for x
    x = 85,031,874,829,482,768/188,811,528.75
  6. Step 6: Final answer
    x = 450,353,192.90

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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.