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Finding the Third Proportional to 3,119,917.50 and 6,835,428

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Solution

The third proportional to 3,119,917.50 and 6,835,428 is: 14,975,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,917.50 : 6,835,428 = 6,835,428 : x
  2. Step 2: Convert to fraction form
    3,119,917.50/6,835,428 = 6,835,428/x
  3. Step 3: Cross multiply
    3,119,917.50x = 6,835,428 × 6,835,428
  4. Step 4: Simplify right side
    3,119,917.50x = 46,723,075,943,184
  5. Step 5: Solve for x
    x = 46,723,075,943,184/3,119,917.50
  6. Step 6: Final answer
    x = 14,975,740.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.