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Finding the Third Proportional to 2,916,931.50 and 4,415,640.75

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Solution

The third proportional to 2,916,931.50 and 4,415,640.75 is: 6,684,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,931.50 : 4,415,640.75 = 4,415,640.75 : x
  2. Step 2: Convert to fraction form
    2,916,931.50/4,415,640.75 = 4,415,640.75/x
  3. Step 3: Cross multiply
    2,916,931.50x = 4,415,640.75 × 4,415,640.75
  4. Step 4: Simplify right side
    2,916,931.50x = 19,497,883,233,060.56
  5. Step 5: Solve for x
    x = 19,497,883,233,060.56/2,916,931.50
  6. Step 6: Final answer
    x = 6,684,381.60

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Why These Related Problems?

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