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Finding the Third Proportional to 221,911,752 and 353,416,590

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Solution

The third proportional to 221,911,752 and 353,416,590 is: 562,851,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,911,752 : 353,416,590 = 353,416,590 : x
  2. Step 2: Convert to fraction form
    221,911,752/353,416,590 = 353,416,590/x
  3. Step 3: Cross multiply
    221,911,752x = 353,416,590 × 353,416,590
  4. Step 4: Simplify right side
    221,911,752x = 124,903,286,087,228,096
  5. Step 5: Solve for x
    x = 124,903,286,087,228,096/221,911,752
  6. Step 6: Final answer
    x = 562,851,155.75

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.