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Finding the Third Proportional to 426,470 and 938,232.50

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Solution

The third proportional to 426,470 and 938,232.50 is: 2,064,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,470 : 938,232.50 = 938,232.50 : x
  2. Step 2: Convert to fraction form
    426,470/938,232.50 = 938,232.50/x
  3. Step 3: Cross multiply
    426,470x = 938,232.50 × 938,232.50
  4. Step 4: Simplify right side
    426,470x = 880,280,224,056.25
  5. Step 5: Solve for x
    x = 880,280,224,056.25/426,470
  6. Step 6: Final answer
    x = 2,064,108.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.