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Finding the Third Proportional to 212,715,407 and 462,700,750

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Solution

The third proportional to 212,715,407 and 462,700,750 is: 1,006,471,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,715,407 : 462,700,750 = 462,700,750 : x
  2. Step 2: Convert to fraction form
    212,715,407/462,700,750 = 462,700,750/x
  3. Step 3: Cross multiply
    212,715,407x = 462,700,750 × 462,700,750
  4. Step 4: Simplify right side
    212,715,407x = 214,091,984,050,562,496
  5. Step 5: Solve for x
    x = 214,091,984,050,562,496/212,715,407
  6. Step 6: Final answer
    x = 1,006,471,449.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.