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Finding the Third Proportional to 491,223,973.50 and 1,065,329,907.75

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Solution

The third proportional to 491,223,973.50 and 1,065,329,907.75 is: 2,310,408,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,223,973.50 : 1,065,329,907.75 = 1,065,329,907.75 : x
  2. Step 2: Convert to fraction form
    491,223,973.50/1,065,329,907.75 = 1,065,329,907.75/x
  3. Step 3: Cross multiply
    491,223,973.50x = 1,065,329,907.75 × 1,065,329,907.75
  4. Step 4: Simplify right side
    491,223,973.50x = 1,134,927,812,346,623,488
  5. Step 5: Solve for x
    x = 1,134,927,812,346,623,488/491,223,973.50
  6. Step 6: Final answer
    x = 2,310,408,028.87

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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.