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Finding the Third Proportional to 31,931,335 and 69,907,805

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Solution

The third proportional to 31,931,335 and 69,907,805 is: 153,050,325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931,335 : 69,907,805 = 69,907,805 : x
  2. Step 2: Convert to fraction form
    31,931,335/69,907,805 = 69,907,805/x
  3. Step 3: Cross multiply
    31,931,335x = 69,907,805 × 69,907,805
  4. Step 4: Simplify right side
    31,931,335x = 4,887,101,199,918,025
  5. Step 5: Solve for x
    x = 4,887,101,199,918,025/31,931,335
  6. Step 6: Final answer
    x = 153,050,325.02

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.