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Finding the Third Proportional to 970,836 and 2,112,115.50

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Solution

The third proportional to 970,836 and 2,112,115.50 is: 4,595,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,836 : 2,112,115.50 = 2,112,115.50 : x
  2. Step 2: Convert to fraction form
    970,836/2,112,115.50 = 2,112,115.50/x
  3. Step 3: Cross multiply
    970,836x = 2,112,115.50 × 2,112,115.50
  4. Step 4: Simplify right side
    970,836x = 4,461,031,885,340.25
  5. Step 5: Solve for x
    x = 4,461,031,885,340.25/970,836
  6. Step 6: Final answer
    x = 4,595,041.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.