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Finding the Third Proportional to 172,272,492 and 264,795,276

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Solution

The third proportional to 172,272,492 and 264,795,276 is: 407,009,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,272,492 : 264,795,276 = 264,795,276 : x
  2. Step 2: Convert to fraction form
    172,272,492/264,795,276 = 264,795,276/x
  3. Step 3: Cross multiply
    172,272,492x = 264,795,276 × 264,795,276
  4. Step 4: Simplify right side
    172,272,492x = 70,116,538,191,916,176
  5. Step 5: Solve for x
    x = 70,116,538,191,916,176/172,272,492
  6. Step 6: Final answer
    x = 407,009,484.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.