Finding the Third Proportional to 39,549,874 and 86,640,281
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Solution
The third proportional to 39,549,874 and 86,640,281 is: 189,799,297.26
Step by Step Solution
- Step 1: Write the proportion equation
39,549,874 : 86,640,281 = 86,640,281 : x - Step 2: Convert to fraction form
39,549,874/86,640,281 = 86,640,281/x - Step 3: Cross multiply
39,549,874x = 86,640,281 × 86,640,281 - Step 4: Simplify right side
39,549,874x = 7,506,538,291,758,961 - Step 5: Solve for x
x = 7,506,538,291,758,961/39,549,874 - Step 6: Final answer
x = 189,799,297.26
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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.