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Finding the Third Proportional to 4,547,679.19 and 6,868,903.78

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Solution

The third proportional to 4,547,679.19 and 6,868,903.78 is: 10,374,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547,679.19 : 6,868,903.78 = 6,868,903.78 : x
  2. Step 2: Convert to fraction form
    4,547,679.19/6,868,903.78 = 6,868,903.78/x
  3. Step 3: Cross multiply
    4,547,679.19x = 6,868,903.78 × 6,868,903.78
  4. Step 4: Simplify right side
    4,547,679.19x = 47,181,839,156,070.55
  5. Step 5: Solve for x
    x = 47,181,839,156,070.55/4,547,679.19
  6. Step 6: Final answer
    x = 10,374,926.90

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.