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Finding the Third Proportional to 79,706,320 and 130,153,242

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Solution

The third proportional to 79,706,320 and 130,153,242 is: 212,528,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,706,320 : 130,153,242 = 130,153,242 : x
  2. Step 2: Convert to fraction form
    79,706,320/130,153,242 = 130,153,242/x
  3. Step 3: Cross multiply
    79,706,320x = 130,153,242 × 130,153,242
  4. Step 4: Simplify right side
    79,706,320x = 16,939,866,403,110,564
  5. Step 5: Solve for x
    x = 16,939,866,403,110,564/79,706,320
  6. Step 6: Final answer
    x = 212,528,522.24

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.