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Finding the Third Proportional to 374,220 and 802,021.50

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Solution

The third proportional to 374,220 and 802,021.50 is: 1,718,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,220 : 802,021.50 = 802,021.50 : x
  2. Step 2: Convert to fraction form
    374,220/802,021.50 = 802,021.50/x
  3. Step 3: Cross multiply
    374,220x = 802,021.50 × 802,021.50
  4. Step 4: Simplify right side
    374,220x = 643,238,486,462.25
  5. Step 5: Solve for x
    x = 643,238,486,462.25/374,220
  6. Step 6: Final answer
    x = 1,718,877.90

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.