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Finding the Third Proportional to 620,413 and 935,803.50

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Solution

The third proportional to 620,413 and 935,803.50 is: 1,411,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,413 : 935,803.50 = 935,803.50 : x
  2. Step 2: Convert to fraction form
    620,413/935,803.50 = 935,803.50/x
  3. Step 3: Cross multiply
    620,413x = 935,803.50 × 935,803.50
  4. Step 4: Simplify right side
    620,413x = 875,728,190,612.25
  5. Step 5: Solve for x
    x = 875,728,190,612.25/620,413
  6. Step 6: Final answer
    x = 1,411,524.57

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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.