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Finding the Third Proportional to 316,733,862 and 662,426,840

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Solution

The third proportional to 316,733,862 and 662,426,840 is: 1,385,419,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,733,862 : 662,426,840 = 662,426,840 : x
  2. Step 2: Convert to fraction form
    316,733,862/662,426,840 = 662,426,840/x
  3. Step 3: Cross multiply
    316,733,862x = 662,426,840 × 662,426,840
  4. Step 4: Simplify right side
    316,733,862x = 438,809,318,352,385,600
  5. Step 5: Solve for x
    x = 438,809,318,352,385,600/316,733,862
  6. Step 6: Final answer
    x = 1,385,419,656.68

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.