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Finding the Third Proportional to 7,772,373 and 10,868,767.50

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Solution

The third proportional to 7,772,373 and 10,868,767.50 is: 15,198,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,373 : 10,868,767.50 = 10,868,767.50 : x
  2. Step 2: Convert to fraction form
    7,772,373/10,868,767.50 = 10,868,767.50/x
  3. Step 3: Cross multiply
    7,772,373x = 10,868,767.50 × 10,868,767.50
  4. Step 4: Simplify right side
    7,772,373x = 118,130,106,969,056.25
  5. Step 5: Solve for x
    x = 118,130,106,969,056.25/7,772,373
  6. Step 6: Final answer
    x = 15,198,718.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.