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Finding the Third Proportional to 47,873,994 and 75,818,940

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Solution

The third proportional to 47,873,994 and 75,818,940 is: 120,075,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,873,994 : 75,818,940 = 75,818,940 : x
  2. Step 2: Convert to fraction form
    47,873,994/75,818,940 = 75,818,940/x
  3. Step 3: Cross multiply
    47,873,994x = 75,818,940 × 75,818,940
  4. Step 4: Simplify right side
    47,873,994x = 5,748,511,662,723,600
  5. Step 5: Solve for x
    x = 5,748,511,662,723,600/47,873,994
  6. Step 6: Final answer
    x = 120,075,873.82

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.