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Finding the Third Proportional to 43,674,649.88 and 68,506,708.50

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Solution

The third proportional to 43,674,649.88 and 68,506,708.50 is: 107,457,509.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,674,649.88 : 68,506,708.50 = 68,506,708.50 : x
  2. Step 2: Convert to fraction form
    43,674,649.88/68,506,708.50 = 68,506,708.50/x
  3. Step 3: Cross multiply
    43,674,649.88x = 68,506,708.50 × 68,506,708.50
  4. Step 4: Simplify right side
    43,674,649.88x = 4,693,169,109,503,972
  5. Step 5: Solve for x
    x = 4,693,169,109,503,972/43,674,649.88
  6. Step 6: Final answer
    x = 107,457,509.63

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.