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Finding the Third Proportional to 1,954,030.50 and 4,242,280.50

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Solution

The third proportional to 1,954,030.50 and 4,242,280.50 is: 9,210,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,030.50 : 4,242,280.50 = 4,242,280.50 : x
  2. Step 2: Convert to fraction form
    1,954,030.50/4,242,280.50 = 4,242,280.50/x
  3. Step 3: Cross multiply
    1,954,030.50x = 4,242,280.50 × 4,242,280.50
  4. Step 4: Simplify right side
    1,954,030.50x = 17,996,943,840,680.25
  5. Step 5: Solve for x
    x = 17,996,943,840,680.25/1,954,030.50
  6. Step 6: Final answer
    x = 9,210,165.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.