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Finding the Third Proportional to 191,903,565 and 280,658,101.50

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Solution

The third proportional to 191,903,565 and 280,658,101.50 is: 410,461,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,903,565 : 280,658,101.50 = 280,658,101.50 : x
  2. Step 2: Convert to fraction form
    191,903,565/280,658,101.50 = 280,658,101.50/x
  3. Step 3: Cross multiply
    191,903,565x = 280,658,101.50 × 280,658,101.50
  4. Step 4: Simplify right side
    191,903,565x = 78,768,969,937,584,304
  5. Step 5: Solve for x
    x = 78,768,969,937,584,304/191,903,565
  6. Step 6: Final answer
    x = 410,461,212.32

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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.