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Finding the Third Proportional to 76,928,475 and 110,000,344.50

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Solution

The third proportional to 76,928,475 and 110,000,344.50 is: 157,289,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,928,475 : 110,000,344.50 = 110,000,344.50 : x
  2. Step 2: Convert to fraction form
    76,928,475/110,000,344.50 = 110,000,344.50/x
  3. Step 3: Cross multiply
    76,928,475x = 110,000,344.50 × 110,000,344.50
  4. Step 4: Simplify right side
    76,928,475x = 12,100,075,790,118,680
  5. Step 5: Solve for x
    x = 12,100,075,790,118,680/76,928,475
  6. Step 6: Final answer
    x = 157,289,947.45

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.