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Finding the Third Proportional to 8,547,122 and 13,216,659

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Solution

The third proportional to 8,547,122 and 13,216,659 is: 20,437,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,122 : 13,216,659 = 13,216,659 : x
  2. Step 2: Convert to fraction form
    8,547,122/13,216,659 = 13,216,659/x
  3. Step 3: Cross multiply
    8,547,122x = 13,216,659 × 13,216,659
  4. Step 4: Simplify right side
    8,547,122x = 174,680,075,122,281
  5. Step 5: Solve for x
    x = 174,680,075,122,281/8,547,122
  6. Step 6: Final answer
    x = 20,437,297.50

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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.