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Finding the Third Proportional to 118,089,130 and 257,668,272

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Solution

The third proportional to 118,089,130 and 257,668,272 is: 562,227,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,089,130 : 257,668,272 = 257,668,272 : x
  2. Step 2: Convert to fraction form
    118,089,130/257,668,272 = 257,668,272/x
  3. Step 3: Cross multiply
    118,089,130x = 257,668,272 × 257,668,272
  4. Step 4: Simplify right side
    118,089,130x = 66,392,938,395,465,984
  5. Step 5: Solve for x
    x = 66,392,938,395,465,984/118,089,130
  6. Step 6: Final answer
    x = 562,227,348.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.