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Finding the Third Proportional to 191,903,361 and 280,657,882.50

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Solution

The third proportional to 191,903,361 and 280,657,882.50 is: 410,461,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,903,361 : 280,657,882.50 = 280,657,882.50 : x
  2. Step 2: Convert to fraction form
    191,903,361/280,657,882.50 = 280,657,882.50/x
  3. Step 3: Cross multiply
    191,903,361x = 280,657,882.50 × 280,657,882.50
  4. Step 4: Simplify right side
    191,903,361x = 78,768,847,009,383,808
  5. Step 5: Solve for x
    x = 78,768,847,009,383,808/191,903,361
  6. Step 6: Final answer
    x = 410,461,008.08

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.