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Finding the Third Proportional to 66,878,140 and 94,178,574

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Solution

The third proportional to 66,878,140 and 94,178,574 is: 132,623,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,878,140 : 94,178,574 = 94,178,574 : x
  2. Step 2: Convert to fraction form
    66,878,140/94,178,574 = 94,178,574/x
  3. Step 3: Cross multiply
    66,878,140x = 94,178,574 × 94,178,574
  4. Step 4: Simplify right side
    66,878,140x = 8,869,603,800,673,476
  5. Step 5: Solve for x
    x = 8,869,603,800,673,476/66,878,140
  6. Step 6: Final answer
    x = 132,623,362.44

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.