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Finding the Third Proportional to 130,210,117 and 280,863,985

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Solution

The third proportional to 130,210,117 and 280,863,985 is: 605,825,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,210,117 : 280,863,985 = 280,863,985 : x
  2. Step 2: Convert to fraction form
    130,210,117/280,863,985 = 280,863,985/x
  3. Step 3: Cross multiply
    130,210,117x = 280,863,985 × 280,863,985
  4. Step 4: Simplify right side
    130,210,117x = 78,884,578,070,080,224
  5. Step 5: Solve for x
    x = 78,884,578,070,080,224/130,210,117
  6. Step 6: Final answer
    x = 605,825,260.64

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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.