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Finding the Third Proportional to 631,582,600 and 947,373,900

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Solution

The third proportional to 631,582,600 and 947,373,900 is: 1,421,060,850

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,582,600 : 947,373,900 = 947,373,900 : x
  2. Step 2: Convert to fraction form
    631,582,600/947,373,900 = 947,373,900/x
  3. Step 3: Cross multiply
    631,582,600x = 947,373,900 × 947,373,900
  4. Step 4: Simplify right side
    631,582,600x = 897,517,306,401,209,984
  5. Step 5: Solve for x
    x = 897,517,306,401,209,984/631,582,600
  6. Step 6: Final answer
    x = 1,421,060,850

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.