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Finding the Third Proportional to 9,871,272 and 15,254,991

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Solution

The third proportional to 9,871,272 and 15,254,991 is: 23,574,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,272 : 15,254,991 = 15,254,991 : x
  2. Step 2: Convert to fraction form
    9,871,272/15,254,991 = 15,254,991/x
  3. Step 3: Cross multiply
    9,871,272x = 15,254,991 × 15,254,991
  4. Step 4: Simplify right side
    9,871,272x = 232,714,750,410,081
  5. Step 5: Solve for x
    x = 232,714,750,410,081/9,871,272
  6. Step 6: Final answer
    x = 23,574,950.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.