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Finding the Third Proportional to 143,037,360 and 308,937,618

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Solution

The third proportional to 143,037,360 and 308,937,618 is: 667,255,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,037,360 : 308,937,618 = 308,937,618 : x
  2. Step 2: Convert to fraction form
    143,037,360/308,937,618 = 308,937,618/x
  3. Step 3: Cross multiply
    143,037,360x = 308,937,618 × 308,937,618
  4. Step 4: Simplify right side
    143,037,360x = 95,442,451,815,513,920
  5. Step 5: Solve for x
    x = 95,442,451,815,513,920/143,037,360
  6. Step 6: Final answer
    x = 667,255,406.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.